71968196 has 12 divisors (see below), whose sum is σ = 131420352. Its totient is φ = 34419528.

The previous prime is 71968189. The next prime is 71968213. The reversal of 71968196 is 69186917.

It is a self number, because there is not a number n which added to its sum of digits gives 71968196.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391040 + ... + 391223.

It is an arithmetic number, because the mean of its divisors is an integer number (10951696).

Almost surely, 2^71968196 is an apocalyptic number.

It is an amenable number.

71968196 is a deficient number, since it is larger than the sum of its proper divisors (59452156).

71968196 is a wasteful number, since it uses less digits than its factorization.

71968196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782290 (or 782288 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 71968196 is about 8483.4070985660. The cubic root of 71968196 is about 415.9555009724.

The spelling of 71968196 in words is "seventy-one million, nine hundred sixty-eight thousand, one hundred ninety-six".